WRJAS Navigation
About
Publication Ethics
Call For Paper
Guide to Authors
Editorial Board
Submit Manuscript
Articles
Viewing Options
[View Abstract]
[View Full Text PDF]
[View Full Text PDF]
Authors Articles on Google Scholar
M.H.K. Howlader
M. Asadul Haque*
Rayhan Ahmed
Akhinur Shila
Authors Articles on Pubmed
M.H.K. Howlader
M. Asadul Haque*
Rayhan Ahmed
Akhinur Shila
Preferences
Email this Article to a friend
Print this Article
Statistics
Viewed: 861
Forwarded: 0
Printed: 121
Downloaded: 1,681
Browse Journals By Category
Agriculture and Food Sciences
Biological Sciences
Education and Arts
Engineering
Environmental Sciences
Medical Sciences
Pharmaceutical Sciences
Physical and Natural Sciences
Social Sciences

Newsletters Subscription

World Research Journal of Agricultural Sciences

Effect of different levels of salinity on germination and early seedling growth of sunflower

Akhinur Shila1, M. Asadul Haque2*, Rayhan Ahmed3, M.H.K. Howlader4

1,3,4 Department of Agricultural Botany, Patuakhali Science and Technology University, Dumki, Patuakhali-8602, Bangladesh

2* Department of Soil Science, Patuakhali Science and Technology University, Dumki, Patuakhali-8602, Bangladesh

Co-authors Email: rayhan.rimon@gmail.com3, howladercbt@yahoo.com4

Accepted 02 February, 2016.

Citation: Shila A, Haque MA, Ahmed R, Howlader MHK (2016). Effect of different levels of salinity on germination and early seedling growth of sunflower. World Research Journal of Agricultural Sciences 3(1): 048-053.

 

Copyright: © 2016 Shila et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are cited.

Abstract

An incubation experiment was conducted at the Department of Soil Science, Patuakhali Science and Technology University during Rabi season 2015 to investigate the salinity effect on germination and early seedling growth of sunflower. There were ten treatments consisting different concentrations of salinity viz. 0, 20, 40, 80, 120, 160, 200, 240, 280 and 320 mM NaCl. The germination experiment was conducted in petri dish lined with a layer of cotton consisting ten ml of each test solution. Germination percentage gradually decreased with the increase of concentration of salt. Up to 80 mM NaCl was identified as safe for sunflower seed germination. Salinity cause delay in germination. Highest seedling height was found at 40 mM NaCl concentration (13.09 cm) and root length (14.1 cm) in 20 mM NaCl concentration. In 320 mM NaCl concentration roots were abnormal, deformed and twisted. The 0 to 80 mM NaCl concentration gave statistically similar shoot fresh weight. Compared to control treatment 20 and 40 mM NaCl concentration gave 0.57 and 4.65 % higher fresh weight, respectively which indicates that lower concentration of salt favor plant growth. The 80 mM NaCl concentration could be identified as safe for germination and early seedling growth of sunflower.

Key words: Coastal Bangladesh, sodium chloride, speed of germination, salinity, vigor index